| formula | formula |
| Formula Nippon | Formula Nippon |
| Formula One | Formula Uno |
| Formula One Grand Prix | Grand Prix |
| Formula One Group | Formula One Management |
| Formula Renault | Formula Renault |
| formulaic | convenzionale |
| formulaic expression | modo di dire |
| formulate | esprimere |
| formulation | enunciazione |
| formyl | formile |
| Fornacite | Fornacite |
| Fornax | Fornace |
| fornicate | fornicare |
| fornication | fornicazione |
| Fornix of brain | Bóveda |
| Fornjot | Fornjot |
| Fornjót | Fornjótr |
| Fornost Erain | Fornost |
| Fornovo di Taro | Fornovo di Taro |
| Fornovo San Giovanni | Fornovo San Giovanni |
| Forough Farrokhzad | Forough Farrokhzad |
| Forrest | Foresta |
| Forrest Gump | Forrest Gump |
| Forrest Sherman class destroyer | Classe Forrest Sherman |
| Forrestal class aircraft carrier | Classe Forrestal |
| Forro language | Forro |
| forsake | lasciare |
| forsaken | reietto |
| forsakes | abbandoni |
| Forsand | Forsand |
| Forseeable | Preventivabile |
| Forseti | Forseti |
| Forshaga Municipality | Forshaga |
| forsook | abbandonai |
| forsooth | in verità |
| Forst | Forst |
| Forst an der Weinstraße | Forst |
| Forsterite | Forsterite |
| Forstern | Forstern |
| Forstinning | Forstinning |
| forswear | rinnegare |
| Forsyth County | Contea di Forsyth |
| Forsyth-Edwards Notation | Notazione Forsyth-Edwards |
| forsythia | forsizia |
| fort | forte |
| Fort Augustus | Fort Augustus |
| Fort Benton | Fort Benton |
| Fort Collins | Fort Collins |
| Fort Eben-Emael | Forte Eben-Emael |
| Fort Erie | Fort Erie |
| Fort Hunter | Fort Hunter |
| Fort Laramie | Fort Laramie |
| Fort Laramie National Historic Site | Fort Laramie |
| Fort Lauderdale | Fort Lauderdale |
| Fort Lee | Fort Lee |
| Fort Morgan | Fort Morgan |
| Fort Peck | Fort Peck |
| Fort San Cristóbal | Forte San Cristóbal |
| Fort San Felipe del Morro | Forte San Felipe del Morro |
| Fort Sumner | Fort Sumner |
| Fort Worth | Fort Worth |
| Fort-de-France | Fort-de-France |
| Fort-Mardyck | Fort-Mardyck |
